Demon's Attack Company, commonly known as ``DAC'', is a registered organization that specializes in cases involving worshipers, sorcerers, and exorcists. There have been many battles with demons and ghosts that have appeared in the human world in the past, and around the time when various cutting-edge technologies have become widespread in general society, magical humans were born. Knowing that the organization that created it has an impact on human society, DAC begins a great battle to protect the human world...